When I was a child I loved to bury myself in the centerfold cutaway illustrations of the monthly scientific magazines my father subscribed to for me. Cars, tractors, ships, trains, engines—I loved every tiny detail. I loved pretending I was one of the tiny men in the pictures.

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As an adult I appreciate these drawings not only as educational objects but as beautiful pieces of art, unfortunately sometimes created by forgotten or unknown artists. I dare you to disagree with me after checking out these 20 drawings from the history of this amazing genre.

Slave Ship

Not a pleasant subject, but this is one of the oldest known cutaway drawings. It's a cross-section of an 'embarkation' canoe, in which a crowd of unfortunate souls are packed into the bottom of a boat being propelled by rowers. Of unknown provenance, circa 1400.

Image: Rischgitz/Getty Images

Bessemer Saloon Steamer

This cross-section, from 1874, highlights the self-trimming design of inventor and engineer Sir Henry Bessemer, which keeps the ship level even in rough seas.

Image: Hulton Archive/Getty Images

The Holland

May 7th 1898: America's new armored torpedo-boat, Holland. It was deployed during the Spanish-American War.

Image: Illustrated London News/Hulton Archive/Getty Images

Gee Bee Teardrop-Shaped Racing Aircraft

One of the most unusual airplanes ever flown, the Gee Bee Model R Super Sportster made by Granville Brothers Aircraft of Springfield, Massachusetts in 1932.

London Underground

The crazy maze that is the Piccadilly Circus tube station, by Macpherson. Circa 1930.

British Metro Train

Projecy Mercury Explained

As usual, NASA says it best: "Project Mercury proved that humans could live and work in space, paving the way for all future human exploration. This cutaway drawing of the Mercury capsule was used by the Space Task Group at the first NASA inspection, on Oct. 24, 1959."

ICBM

Northrop M2-F2 Lifting Body

NASA's heavyweight lifting body was built by the Northrop Corporation based on studies at the Ames and Langley research centers in 1966. Four pilots were lucky (?) enough to fly the M2-F2 on its 16 glide flights.

Image: NASA

Soviet Heavy Lifter

The Mil V-12 was the largest helicopter ever made, intended to carry major missile components. Or buses. Only two prototypes were constructed but one flew successfully on July 10, 1968.

Spacewalk

Lancia Stratos Zero by Bertone

The futuristic bodywork of this protoype supercar was designed by Marcello Gandini, head designer of the the legendary Italian studio. Look deep inside this Lamborghini progenitor and find the spare wheel!

Image: G. Betti/Quattroruote, Marzo 1971

The Historic Handshake in Space

Cutaway view of the docked Apollo and Soyuz spacecraft in Earth orbit. This scene depicts the moment the two international crews met in space for the first time. April, 1975

The Nuclear-Powered Aircraft Carrier

There are ten Nimitz-class supercarriers in service with the United States Navy. This one is the Harry S. Truman (CVN-75), commissioned on 25 July 1998.

Mercedes-Benz SLR McLaren

In 2005 the Mercedes-Benz created the SLR McLaren, a modern version of the legendary SLR racing machines. Its 5.5-liter supercharged and intercooled V-8 engine produces 617 horsepower and drags you to 60 mph in 3.8 seconds.

Image: Mercedes-Benz

Lockheed Martin Lightning II

F-35: The trillion-dollar fighter designed to dominate the skies may currently be in a fiscal dogfight, but it's still badass.